Load Data for .243 Winchester


 
Bullet: 90 gr SP  (Speer)
Diameter: 0.243"
 
Powder: IMR 4955 (Improved Military Rifle)
Starting Powder: 43.6 gr
Max Powder: 47.4 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.035"
 
Cartridge Overall Length: 2.625"
 
Starting Velocity: 2,926
Starting Pressure: 49,700
Max Velocity: 3,153
Max Pressure: 58,500
 
Compressed
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/243-winchester/